Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 49 · 40 questions

Study tip (Mix it up): Interleaving: mixed sets, old and new topics together, switching topic each question. Blocked: one type, page by page. Read each question for clues: “%” → percentage; “m by m” or tiles → area; “a : b” → ratio; 3/4 → fractions. Block when first learning; mix for revision and exam practice.

1. 1.🔍 Which is the odd one out? (a) a mixed revision quiz (b) old and new topics mixed (c) same type, page by page (d) a shuffled set of sums
2. 2.True or false: “only fraction sums” is blocked practice (one type only). (a) True (b) False
3. 3.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) ratio (b) fractions (c) area (d) percentage
4. 4.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) False (b) True
5. 5.🔀 Interleaving means… (a) skipping hard topics (b) one topic for weeks (c) reading only (d) mixing different topics
6. 6.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) area (b) percentage (c) fractions (d) ratio
7. 7.True or false: “What is 15 out of 60 as a per cent?” needs the fractions method. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) one chapter’s sums only (b) a mixed revision quiz (c) same type, page by page (d) all area sums together
9. 9.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) a shuffled set of sums (c) only fraction sums (d) algebra and area mixed
10. 10.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) False (b) True
11. 11.True or false: “all area sums together” is blocked practice (one type only). (a) True (b) False
12. 12.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) percentage (b) area (c) fractions (d) ratio
13. 13.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) area (b) fractions (c) percentage (d) ratio
14. 14.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) one percentage page (c) algebra, area, %, mixed (d) area sums only
15. 15.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
16. 16.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
17. 17.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) fractions (c) percentage (d) area
18. 18.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
19. 19.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
20. 20.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
21. 21.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) True (b) False
22. 22.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the fractions method. (a) False (b) True
23. 23.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) False (b) True
24. 24.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it is shorter (c) you practise choosing (d) it needs no thinking
25. 25.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) one topic all evening (c) all area sums together (d) old and new topics mixed
26. 26.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
27. 27.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) percentage (c) ratio (d) fractions
28. 28.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) switching topic each sum (c) algebra and area mixed (d) one topic all evening
29. 29.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
30. 30.Which of these is interleaving (mixed practice)? (a) a mixed revision quiz (b) one chapter’s sums only (c) same type, page by page (d) only fraction sums
31. 31.🔍 Which is the odd one out? (a) switching topic each sum (b) a mixed revision quiz (c) one topic all evening (d) a shuffled set of sums
32. 32.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) fractions (c) percentage (d) ratio
33. 33.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
34. 34.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the percentage method. (a) False (b) True
35. 35.🔀 When is blocked practice useful? (a) the night before exams (b) when first learning (c) never at all (d) for every revision
36. 36.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) old and new topics mixed (c) a mixed revision quiz (d) one formula, 20 times
37. 37.True or false: “only fraction sums” is interleaving (mixed practice). (a) True (b) False
38. 38.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) fractions (c) area (d) percentage
39. 39.🔍 Which is the odd one out? (a) a shuffled set of sums (b) old and new topics mixed (c) one chapter’s sums only (d) fraction, %, ratio mixed
40. 40.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) switching topic each sum (c) a shuffled set of sums (d) only fraction sums

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